Home / 704,871.72-1,057,298.46-172,397.16

Finding the Fourth Proportional to 704,871.72, 1,057,298.46 and 172,397.16

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Solution

The fourth proportional to 704,871.72, 1,057,298.46 and 172,397.16 is: 258,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,871.72 : 1,057,298.46 = 172,397.16 : x
  2. Step 2: Convert to fraction form
    704,871.72/1,057,298.46 = 172,397.16/x
  3. Step 3: Cross multiply
    704,871.72x = 1,057,298.46 × 172,397.16
  4. Step 4: Simplify right side
    704,871.72x = 182,275,251,776.37
  5. Step 5: Solve for x
    x = 182,275,251,776.37/704,871.72
  6. Step 6: Final answer
    x = 258,593.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.